5P27 “Furke”

The 5P27 “Furke” (kyrillic: 5П27 « Фуркэ ») is an operating in
E-Band
naval 3D pulse-Doppler volume search radar for detection, tracking and targeting of air and surface targets.
The antenna is a passive
phased array
during transmitted pulse that is provided by a
klystron.
During receive time, the antenna is an active antenna with
digital beam forming
of three independent antenna patterns stacked in elevation.

The radar is a shipborne variant of the battlefield air surveillance radar 1РС1-1Е (1РЛ123-Е)
of the ground-based anti-aircraft missile and artillery complex “Pantsir-S1”.
There are now four versions known.